]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: windowid.h | |
3 | // Purpose: interface of wxIdManager | |
4 | // Author: wxWidgets team | |
5 | // Licence: wxWindows licence | |
6 | ///////////////////////////////////////////////////////////////////////////// | |
7 | ||
8 | /** | |
9 | The type of unique identifiers (ID) used for wxWindow-derived classes. | |
10 | */ | |
11 | typedef int wxWindowID; | |
12 | ||
13 | /** | |
14 | @class wxIdManager | |
15 | ||
16 | wxIdManager is responsible for allocating and releasing window IDs. | |
17 | It is used by wxWindow::NewControlId() and wxWindow::UnreserveControlId(), | |
18 | and can also be used be used directly. | |
19 | ||
20 | @library{wxcore} | |
21 | @category{cfg} | |
22 | ||
23 | @see wxWindow::NewControlId(), wxWindow::UnreserveControlId(), | |
24 | @ref overview_windowids | |
25 | */ | |
26 | class wxIdManager | |
27 | { | |
28 | public: | |
29 | /** | |
30 | Called directly by wxWindow::NewControlId(), this function will create | |
31 | a new ID or range of IDs. | |
32 | The IDs will be reserved until assigned to a wxWindowIDRef() or unreserved | |
33 | with UnreserveControlId(). | |
34 | Only ID values that are not assigned to a wxWindowIDRef() need to be unreserved. | |
35 | ||
36 | @param count | |
37 | The number of sequential IDs to reserve. | |
38 | ||
39 | @return The value of the first ID in the sequence, or wxID_NONE. | |
40 | */ | |
41 | static wxWindowID ReserveId(int count = 1); | |
42 | ||
43 | /** | |
44 | Called directly by wxWindow::UnreserveControlId(), this function will | |
45 | unreserve an ID or range of IDs that is currently reserved. | |
46 | This should only be called for IDs returned by ReserveControlId() that | |
47 | have NOT been assigned to a wxWindowIDRef (see @ref overview_windowids). | |
48 | ||
49 | @param id | |
50 | The first of the range of IDs to unreserve. | |
51 | @param count | |
52 | The number of sequential IDs to unreserve. | |
53 | ||
54 | @return The value of the first ID in the sequence, or wxID_NONE. | |
55 | */ | |
56 | static void UnreserveId(wxWindowID id, int count = 1); | |
57 | }; | |
58 |